Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646° N Lon: 122.8388° W Elev: 550.0 ft.

NA

58°F

14°C

Humidity 94%
Wind Speed NW 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 13 Aug 10:15 AM PDT
Detailed forecast for

Foothills and Valleys of Thurston and Lewis Counties

Today
Mostly sunny until late afternoon, then a chance of showers and a slight chance of thunderstorms late in the afternoon. Highs near 80. Light wind.
Tonight
Mostly clear. Lows in the lower to mid 50s. Light wind.
Friday
Partly sunny in the morning, then sunny with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs near 80. Light wind.
Friday Night
Mostly clear. Lows in the lower to mid 50s. Light wind.
Saturday
Mostly cloudy in the morning then becoming sunny. Highs near 80. Light wind.
Saturday Night
Partly cloudy. Lows in the lower 50s.
Sunday
Partly sunny. Highs in the lower 80s.
Sunday Night
Partly cloudy. Lows in the lower to mid 50s.
Monday
Partly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s.
Tuesday
Cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the mid to upper 70s.
Tuesday Night
Partly cloudy with a slight chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower to mid 50s.
Wednesday
Partly sunny with a slight chance of showers. Highs in the mid to upper 70s.





Basemap Options
Click map to change the forecast location
Loading map...
344 AM PDT Thu Aug 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database